Senior Java Developer

Overview:

TekWissen is a global workforce management provider headquartered in Ann Arbor, Michigan that offers strategic talent solutions to our clients world-wide. Our client is an American multinational information technology services and consulting company and is a leading provider of information technology, consulting, and business process outsourcing services, dedicated helping the world's leading companies build stronger businesses.

Job Title: Senior Java Developer

Location: Columbus, OH 43215

Duration: 6 Months

Job Type: Temporary Assignment

Work Type: Onsite

Job Summary

Senior Java Full Stack Developer with 12+ years of experience in designing, developing, and deploying enterprise-scale applications using Java, Spring Boot, Microservices, Kafka, and AWS Cloud.

Proven expertise in building cloud-native, event-driven, and highly scalable distributed systems for Banking, Financial Services, and Enterprise domains.

Strong experience across the full software development lifecycle, including architecture, development, testing, CI/CD, containerization, and cloud deployment.

Responsibilities

Design and implement robust Java based microservices that process and serve complex geospatial data while maintaining high performance and reliability for enterprise applications.

Develop and optimize Springboot services that integrate geospatial libraries and data sources to deliver efficient spatial queries and analytical features for business users.

Configure and manage AWS EC2 environments to host and scale Java microservices that support geospatial workloads with strong focus on availability and cost efficiency.

Collaborate with product owners and geospatial analysts to translate domain requirements into technical designs and implementation plans that align with organizational objectives.

Review and refactor existing Java and Springboot codebases to enhance modularity, maintainability, and adherence to best practices across microservices architecture.

Implement secure interfaces and APIs that enable reliable data exchange between geospatial services, external systems, and client applications following industry security standards.

Monitor application performance and resource utilization on AWS EC2 instances and propose improvements that enhance throughput, stability, and user experience.

Coordinate with quality engineering teams to define test strategies for microservices including unit, integration, and performance testing for geospatial processing flows.

Prepare detailed technical documentation that covers architecture decisions, deployment configurations, and operational procedures for Java and Springboot services.

Mentor team members on advanced Java concepts, microservices patterns, and effective use of Springboot features to maintain consistent engineering quality.

Engage with stakeholders to plan delivery milestones, estimate effort, and ensure that geospatial solutions are delivered on schedule and within defined quality expectations.

Ensure compliance with organizational governance standards, data protection guidelines, and regulatory requirements in all geospatial solution components.

Drive continuous improvement initiatives by identifying opportunities to adopt emerging tools, frameworks, and patterns that enhance geospatial capability within the organization.

Qualifications

Demonstrate strong proficiency in core and advanced Java concepts including multithreading collections and performance optimization applied to geospatial processing scenarios.

Exhibit hands on expertise with Springboot for building microservices including dependency injection RESTful services configuration management and observability.

Show practical experience designing and deploying microservices architectures that handle high volume and low latency geospatial data transactions.

Apply working knowledge of AWS EC2 for provisioning configuring and managing compute resources that host Java based microservices in production environments.

Utilize experience with geospatial concepts such as coordinate reference systems vector and raster data and spatial indexing to design effective solutions.

Display familiarity with relational and NoSQL data stores commonly used for geospatial applications and design schemas that support efficient spatial queries.

Use strong understanding of CI and CD practices to automate build test and deployment pipelines for Java and Springboot microservices.

Demonstrate ability to analyze complex problems in geospatial workflows and propose practical and scalable technical solutions.

Communicate effectively with cross functional teams and stakeholders to ensure clear understanding of geospatial solution capabilities and constraints.

Maintain focus on quality and maintainability by adhering to coding standards conducting reviews and encouraging continuous learning within the team.

Leverage prior experience of eight to twelve years in Java development to guide architectural decisions and ensure resilient microservices solutions.

Prefer exposure to additional cloud native services such as container orchestration and monitoring tools that complement AWS EC2 deployments.

Value experience working in office based agile environments where close collaboration and quick feedback cycles are essential for project success.

Certifications Required

Preferred certifications include AWS Certified Developer Associate or AWS Certified Solutions Architect Associate and Java focused credentials such as Oracle Certified Professional Java Programmer.

Technical Skills

Backend

Java 8/11/17/21

Spring Boot

Spring MVC

Spring Cloud

Microservices Architecture

RESTful APIs

GraphQL

Hibernate

JPA

JDBC

OAuth2

JWT

Spring Security

Design Patterns

Domain Driven Design (DDD)

Messaging & Streaming

Apache Kafka

Event-Driven Architecture

Kafka Streams

Cloud & DevOps

AWS (EC2, ECS, EKS, Lambda, S3, RDS, DynamoDB, CloudWatch, IAM)

Docker

Kubernetes

Jenkins

GitHub Actions

Terraform

CloudFormation

Maven

Gradle

Databases

Oracle

PostgreSQL

MySQL

MongoDB

Cassandra

Redis

Monitoring & Logging

Splunk

ELK Stack

Grafana

Prometheus

Tools & Methodologies

Git

Bitbucket

Jira

Confluence

Agile/Scrum

JUnit

Mockito

Postman

SonarQube

Years of Experience

12.00 Years of Experience

TekWissen® Group is an equal opportunity employer supporting workforce diversity.